Dr. Thomas Udem Profile

Dr. Thomas Udem

at Max-Planck Institute of Quantum Optics

SPIE Involvement:

Author

Publications (15)

Proceedings Article | 9 August 2016 Paper

Paper

Relative stability of two laser frequency combs for routine operation on HARPS and FOCES

Rafael Probst, Gaspare Lo Curto, Gerardo Ávila, Anna Brucalassi, Bruno Canto Martins, Izan de Castro Leão, Massimiliano Esposito, Jonay González Hernández, Frank Grupp, Theodor Hänsch, Ronald Holzwarth, Hanna Kellermann, Florian Kerber, Olaf Mandel, Antonio Manescau , Luca Pasquini, Eszter Pozna, Rafael Rebolo, José Renan de Medeiros, Sebastian Stark, Tilo Steinmetz, Alejandro Suárez Mascareño, Thomas Udem, Josefina Urrutia, Yuanjie Wu

Proceedings Volume 9908, 990864 (2016) https://doi.org/10.1117/12.2231434

KEYWORDS: Spectrographs, Calibration, Frequency combs, Astronomy, Observatories, Multimode fibers, Telescopes, Lanthanum, Lamps, Precision calibration

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Proceedings Article | 8 July 2014 Paper

Paper

A laser frequency comb featuring sub-cm/s precision for routine operation on HARPS

Rafael Probst, Gaspare Lo Curto, Gerardo Avila, Bruno Canto Martins, José de Medeiros, Massimiliano Esposito, Jonay González Hernández, Theodor Hänsch, Ronald Holzwarth, Florian Kerber, Izan Leão, Antonio Manescau, Luca Pasquini, Rafael Rebolo-López, Tilo Steinmetz, Thomas Udem, Yuanjie Wu

Proceedings Volume 9147, 91471C (2014) https://doi.org/10.1117/12.2055784

KEYWORDS: Spectrographs, Continuous wave operation, Calibration, Optical filters, Frequency combs, Linear filtering, Astronomy, Fiber lasers, Charge-coupled devices, Fiber amplifiers

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Proceedings Article | 26 September 2013 Paper

Paper

Spectral flattening of supercontinua with a spatial light modulator

R. Probst, T. Steinmetz, T. Wilken, G. K. Wong, H. Hundertmark, S. Stark, P. St. J. Russell, T. Hänsch, R. Holzwarth, Th. Udem

Proceedings Volume 8864, 88641Z (2013) https://doi.org/10.1117/12.2036601

KEYWORDS: Calibration, Spatial light modulators, Modulation, Astronomy, Spectrographs, Frequency combs, Liquid crystals, Electrodes, Polarizers, Spectral calibration

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Proceedings Article | 24 September 2012 Paper

Paper

Achieving a few cm/sec calibration repeatability for high resolution spectrographs: the laser frequency comb on HARPS

Gaspare Lo Curto, Antonio Manescau, Gerardo Avila, Luca Pasquini, Tobias Wilken, Tilo Steinmetz, Ronald Holzwarth, Rafael Probst, Thomas Udem, Theodor Hänsch, Jonay González Hernández, Massimiliano Esposito, Rafael Rebolo, Bruno Canto Martins, Jose Renan de Medeiros

Proceedings Volume 8446, 84461W (2012) https://doi.org/10.1117/12.925964

KEYWORDS: Calibration, Spectrographs, Frequency combs, Stars, Telescopes, Planets, Lamps, Astronomy, Prototyping, High power fiber amplifiers

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Proceedings Article | 13 September 2012 Paper

Paper

Performance of a laser frequency comb calibration system with a high-resolution solar echelle spectrograph

H.-P. Doerr, T. Kentischer, T. Steinmetz, R. Probst, M. Franz, R. Holzwarth, Th. Udem, T. W. Hänsch, W. Schmidt

Proceedings Volume 8450, 84501G (2012) https://doi.org/10.1117/12.926224

KEYWORDS: Calibration, Spectrographs, Frequency combs, Telescopes, Charge-coupled devices, Spectral calibration, Cameras, Space telescopes, Point spread functions, Spectral resolution

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Proceedings Article | 15 September 2011 Paper

Paper

Pressure and temperature stabilization of an existing chelle spectrograph II

Frank Grupp, Anna Brucalassi, Florian Lang, Shao Ming Hu, Ronald Holzwarth, Thomas Udem, Ulrich Hopp, Ralf Bender

Proceedings Volume 8151, 815119 (2011) https://doi.org/10.1117/12.893610

KEYWORDS: Spectrographs, Observatories, Telescopes, Planets, 3D modeling, Spectroscopes, Glasses, Zemax, Photovoltaics, Quantum optics

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Proceedings Article | 8 September 2011 Paper

Paper

Precision spectroscopy on atomic hydrogen

Christian Parthey, Arthur Matveev, Janis Alnis, Axel Beyer, Randolf Pohl, Katharina Predehl, Thomas Udem, Nikolai Kolachevsky, Michel Abgrall, Daniele Rovera, Christophe Salomon, Philippe Laurent, Theodor Hänsch

Proceedings Volume 8132, 813202 (2011) https://doi.org/10.1117/12.893694

KEYWORDS: Doppler effect, Hydrogen, Chemical species, Spectroscopy, Velocity measurements, Bragg cells, Magnetism, Quenching (fluorescence), Monte Carlo methods, Laser spectroscopy

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Proceedings Article | 11 February 2011 Open Access

Open Access

Paper

Power scaling of femtosecond enhancement cavities and high-power applications

Ioachim Pupeza, Tino Eidam, Jan Kaster, Birgitta Bernhardt, Jens Rauschenberger, Akira Ozawa, Ernst Fill, Thomas Udem, Matthias Kling, Jens Limpert, Zeyad Alahmed, Abdallah Azzeer, Andreas Tünnermann, Theodor Hänsch, Ferenc Krausz

Proceedings Volume 7914, 79141I (2011) https://doi.org/10.1117/12.877532

KEYWORDS: Mirrors, Extreme ultraviolet, Resonators, Frequency combs, Spectroscopy, Laser resonators, Pulsed laser operation, Diagnostics, Laser applications, Ultrafast phenomena

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Proceedings Article | 21 July 2010 Paper

Paper

Pressure and temperature stabilization of an existing Echelle spectrograph

Frank Grupp, Thomas Udem, Ronald Holzwarth, Florian Lang-Bardl, Ulrich Hopp, Shao-Ming Hu, Anna Brucalassi, Wang Liang, Ralf Bender

Proceedings Volume 7735, 773573 (2010) https://doi.org/10.1117/12.856653

KEYWORDS: Spectrographs, Observatories, Telescopes, Planets, Space telescopes, Fiber couplers, Calibration, Spectroscopes, Temperature metrology, Stars

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Proceedings Article | 15 July 2010 Paper

Paper

High-precision calibration of spectrographs using laser frequency combs

Tobias Wilken, Christophe Lovis, Antonio Manescau, Tilo Steinmetz, Luca Pasquini, Gaspare Lo Curto, Theodor Hänsch, Ronald Holzwarth, Thomas Udem

Proceedings Volume 7735, 77350T (2010) https://doi.org/10.1117/12.857248

KEYWORDS: Calibration, Spectrographs, Charge-coupled devices, Frequency combs, Spectral calibration, Astronomy, Telescopes, Optical filters, Lamps, Multimode fibers

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Proceedings Article | 15 July 2010 Paper

Paper

Along the path towards extremely precise radial velocity measurements

Gaspare Lo Curto, Christophe Lovis, Tobias Wilken, Gerardo Avila, Bruno Chazelas, Massimiliano Esposito, Theodor Hänsch, Jonay Gonzáez-Hernández, Ronald Holzwarth, Gerardo Ihle, Antonio Manescau, Luca Pasquini, Francesco Pepe, Rafael Rebolo, Alex Segovia, Peter Sinclaire, Tilo Steinmetz, Thomas Udem, François Wildi

Proceedings Volume 7735, 77350Z (2010) https://doi.org/10.1117/12.857232

KEYWORDS: Calibration, Spectrographs, Telescopes, Stars, Planets, Velocity measurements, Frequency combs, Lamps, Lanthanum, Sensors

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Proceedings Article | 5 June 2010 Paper

Paper

XUV frequency combs

Akira Ozawa, Andreas Vernaleken, Igor Gotlibovych, Peter Hommelhoff, Thomas Udem, Theodor Hänsch

Proceedings Volume 7728, 772811 (2010) https://doi.org/10.1117/12.855844

KEYWORDS: Extreme ultraviolet, Frequency combs, Optical amplifiers, Amplifiers, Mirrors, High harmonic generation, Crystals, Oscillators, Spectroscopy, Infrared radiation

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Proceedings Article | 5 June 2010 Open Access

Open Access

Paper

Six-photon entangled Dicke state enabled by a UV enhancement cavity as novel SPDC photon source

Witlef Wieczorek, Roland Krischek, Akira Ozawa, Géza Tóth, Nikolai Kiesel, Patrick Michelberger, Thomas Udem, Harald Weinfurter

Proceedings Volume 7727, 77270L (2010) https://doi.org/10.1117/12.853599

KEYWORDS: Ultraviolet radiation, Mirrors, Quantum information, Crystals, Nonlinear crystals, Dispersion, Photonic crystals, Quantum communications, Photon polarization, Femtosecond phenomena

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Proceedings Article | 20 August 2009 Paper

Paper

Calibration of high accuracy radial velocity spectrographs: beyond the Th-Ar lamps

Francois Wildi, Francesco Pepe, Christophe Lovis, Bruno Chazelas, Tobias Wilken, Antonio Manescau, Luca Pasquini, Ronald Holzwarth, Tilo Stenimetz, Thomas Udem, Theodor Hänsch, Gaspare Lo Curto

Proceedings Volume 7440, 74400M (2009) https://doi.org/10.1117/12.826498

KEYWORDS: Calibration, Spectrographs, Fabry–Perot interferometers, Optical fibers, Lamps, Frequency combs, Zerodur, Observatories, Telescopes, Fabry–Perot interferometry

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Proceedings Article | 3 May 2001 Paper

Paper

Compact femtosecond-laser-based optical clockwork

Scott Diddams, Thomas Udem, Kurt Vogel, Chris Oates, E. Curtis, Robert Windeler, A. Bartels, James Bergquist, Leo Hollberg

Proceedings Volume 4269, (2001) https://doi.org/10.1117/12.424456

KEYWORDS: Femtosecond phenomena, Standards development, Calcium, Mercury, Mode locking, Radio optics, Hydrogen, Optical fibers, Polarizers, Heterodyning

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Showing 5 of 15 publications

Proceedings Volume Editor (1)

SPIE Conference Volume | 23 July 2007

ICONO 2007: Nonlinear Laser Spectroscopy and High-Precision Measurements; and Fundamentals of Laser Chemistry and Biophotonics

Conference Committee Involvement (2)

Time and Frequency Metrology

29 August 2007 | San Diego, California, United States

Nonlinear laser spectroscopy and high-precision measurements

28 May 2007 | Minsk, Belarus

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